Study on continuous preparation of nano europium oxide ethanol sols decorated in situ by pulsed laser ablation and their luminescence characteristics
2008
Abstract Nano Eu 2 O 3 ethanol sols modified in situ were successively prepared by focused pulsed laser ablation at the interface of Eu 2 O 3 target submerged in flowing liquid containing modifiers. It is found that the decorated nano Eu 2 O 3 ethanol sols can radiate intense red light under ultraviolet radiation. The fluorescence spectrum of decorated nano Eu 2 O 3 ethanol sol exhibits the characteristic peak of Eu 3+ ion at 612 nm, which is different from that of non-decorated nano Eu 2 O 3 ethanol sol. It is proved that the luminescence mechanism of nano Eu 2 O 3 ethanol sols is the same as that of europium coordinate complex.
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